monoplacophoran
(class Tryblidia), any of a group of primitive marine mollusks characterized by a single, cap-shaped shell and bilateral symmetry. The term Tryblidia is preferred over Monoplacophoran and Galeroconcha, because both latter terms are taken to include several fossil groups of uncertain relationships.
Learn more about monoplacophoran with a free trial on Britannica.com.
| a fool or simpleton; ninny. |
| a stew of meat, vegetables, potatoes, etc. |
Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.